fix(ui): per-track volume/mute/solo now works over bridge — send CC7 via SonicMidiRouter pushEvent instead of local WASM controllerChange

app/static/js/app.jsx

@@ -442,6 +442,37 @@ function setTrackNodeGain(node, gainLinear) {
   node.gainNode.gain.setTargetAtTime(g, t, 0.02);
 }
 
+// Track thực sự phát âm MIDI/bridge (cần CC7 để đổi volume/mute/solo): có MIDI
+// items, type MIDI, hoặc instrument (VST3/soundfont qua bridge).
+function isMidiSoundTrack(t) {
+  return !!(t && ((t.midiItems && t.midiItems.length > 0) || t.type === 'MIDI' || t.instrumentId ||
+    (t.synth_engine && (t.synth_engine.soundfont_id || t.synth_engine.plugin_path))));
+}
+
+// MIDI volume realtime: CC7 là đường DUY NHẤT đổi âm bridge — bridge trộn MỌI
+// channel vào MỘT shared audio sink (bridgeAudioNode), per-track WebAudio
+// gainNode KHÔNG ảnh hưởng âm bridge. Bridge active → gửi qua
+// SonicMidiRouter.pushEvent (đúng channel allocation của note-on, trackId làm
+// channel); bridge down → SonicSF (WASM local) fallback.
+function sendMidiVolumeCC7(t, list, audible) {
+  const volDb = (typeof t.volumeDb === 'number' && isFinite(t.volumeDb)) ? t.volumeDb : 0;
+  const volLin = volDb <= -50 ? 0 : Math.pow(10, volDb / 20);
+  const cc7 = audible ? Math.max(1, Math.min(127, Math.round(volLin * 100))) : 0;
+  try {
+    if (window.SonicMidiRouter && window.SonicMidiRouter.isBridgeActive && window.SonicMidiRouter.isBridgeActive()) {
+      const isPerc = !!(t.synth_engine && t.synth_engine.soundfont_bank === 128) || !!t.is_percussion;
+      window.SonicMidiRouter.pushEvent({ cmd: 'CC', channel: t.id, pitch: 7, velocity: 0, data2: cc7, percussion: isPerc });
+      return;
+    }
+  } catch (e) {}
+  try {
+    if (window.SonicSF && typeof window.SonicSF.controllerChange === 'function') {
+      const ch = ensureTrackMidiChannel(t, list);
+      window.SonicSF.controllerChange(ch, 7, cc7);
+    }
+  } catch (e) {}
+}
+
 // MAIN SESSION end-time (seconds): endtime of the items ON the session's own
 // tracks only — audio clips, MIDI items, and section-item bounds. Section-TAB
 // content is deliberately IGNORED here: when played inside the main session the
@@ -16095,27 +16126,11 @@ const App = () => {
       if (node && node.sfEntry) {
         try { node.sfEntry.gain.setTargetAtTime(audibleGain, getAudioContext().currentTime, 0.02); } catch (e) {}
       }
-      // MIDI items: FluidSynth mixes ALL channels into ONE shared gain node, so
-      // the per-track gain cannot silence them. Every MIDI track owns a
-      // dedicated channel (ensureTrackMidiChannel) → mute/solo via CC7 (channel
-      // volume) applies realtime, even to notes already sounding.
-      // CC7 = VOLUME của track (không chỉ 100/0) — volume slider MIDI track tác
-      // dụng qua channel volume (yêu cầu channel RIÊNG cho từng track).
-      if ((t.midiItems && t.midiItems.length > 0) || t.type === 'MIDI') {
-        try {
-          if (window.SonicSF && typeof window.SonicSF.controllerChange === 'function') {
-            const ch = ensureTrackMidiChannel(t, effective);
-            var cc7 = 100;
-            if (audible) {
-              var volDb = (typeof t.volumeDb === 'number' && isFinite(t.volumeDb)) ? t.volumeDb : 0;
-              var volLin = volDb <= -50 ? 0 : Math.pow(10, volDb / 20);
-              cc7 = Math.max(1, Math.min(127, Math.round(volLin * 100)));
-            } else {
-              cc7 = 0;
-            }
-            window.SonicSF.controllerChange(ch, 7, cc7);
-          }
-        } catch (e) {}
+      // MIDI/bridge tracks: CC7 (channel volume) realtime — even for notes
+      // already sounding. Bridge active → qua SonicMidiRouter (bridge); bridge
+      // down → SonicSF (WASM). CC7 = VOLUME của track (không chỉ 100/0).
+      if (isMidiSoundTrack(t)) {
+        try { sendMidiVolumeCC7(t, effective, audible); } catch (e) {}
       }
       if (audible && !wasAudible) becameAudible = true;
       trackAudibleRef.current[t.id] = audible;
@@ -16791,24 +16806,11 @@ const App = () => {
           node.sfEntry.gain.setTargetAtTime(g, getAudioContext().currentTime, 0.02);
         } catch (e) {}
       }
-      // MIDI tracks: mirror the gain decision onto the channel CC7 volume so
-      // FluidSynth-rendered notes respect mute/solo too. CC7 = VOLUME track
-      // (không chỉ 100/0) — volume slider MIDI tác dụng qua channel volume.
-      if ((t.midiItems && t.midiItems.length > 0) || t.type === 'MIDI') {
-        try {
-          if (window.SonicSF && typeof window.SonicSF.controllerChange === 'function') {
-            const ch = ensureTrackMidiChannel(t, list);
-            var cc7 = 100;
-            if (audible) {
-              var volDb = (typeof t.volumeDb === 'number' && isFinite(t.volumeDb)) ? t.volumeDb : 0;
-              var volLin = volDb <= -50 ? 0 : Math.pow(10, volDb / 20);
-              cc7 = Math.max(1, Math.min(127, Math.round(volLin * 100)));
-            } else {
-              cc7 = 0;
-            }
-            window.SonicSF.controllerChange(ch, 7, cc7);
-          }
-        } catch (e) {}
+      // MIDI/bridge tracks: mirror the gain decision onto CC7 (channel volume)
+      // so FluidSynth/bridge-rendered notes respect mute/solo too. Bridge
+      // active → SonicMidiRouter; down → SonicSF. CC7 = VOLUME track.
+      if (isMidiSoundTrack(t)) {
+        try { sendMidiVolumeCC7(t, list, audible); } catch (e) {}
       }
       trackAudibleRef.current[t.id] = audible;
     });
@@ -24392,6 +24394,17 @@ const App = () => {
         if (sn && sn.gainNode) sn.gainNode.gain.setValueAtTime(volLinear, ctx.currentTime);
       }
     });
+    // MIDI/bridge track: gainNode WebAudio không đổi âm bridge (bridge dùng MỘT
+    // shared sink) → gửi CC7 realtime qua SonicMidiRouter (bridge active) hoặc
+    // SonicSF (WASM fallback).
+    const trkList = (activeTracksRef.current && activeTracksRef.current.length) ? activeTracksRef.current : tracks;
+    const trk = trkList.find(x => x.id === trackId);
+    if (trk && isMidiSoundTrack(trk)) {
+      try {
+        const nt = { ...trk, volumeDb: val };
+        sendMidiVolumeCC7(nt, trkList, computeTrackAudibleGain(trkList, nt) > 0);
+      } catch (e) {}
+    }
   };
   const updateTrackPan = (trackId, val) => {
     const beforeSnap = captureTrackSnapshot(trackId);
@@ -29697,6 +29710,7 @@ STRICT CONSTRAINTS:
         onClick: e => {
           e.stopPropagation();
           toggleTrackMute(track.id);
+          if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(track.id, { muted: !track.muted });
         },
         title: "Mute",
         className: `px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.muted ? 'bg-red-950 text-red-400 border-red-700' : 'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`
@@ -29704,6 +29718,7 @@ STRICT CONSTRAINTS:
         onClick: e => {
           e.stopPropagation();
           toggleTrackSoloEvaluate(track.id);
+          if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(track.id, { solo: !track.solo });
         },
         title: "Solo",
         className: `px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 ${track.solo ? 'bg-amber-950 text-amber-400 border-amber-600' : 'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`
@@ -30270,12 +30285,14 @@ STRICT CONSTRAINTS:
         onClick: e => {
           e.stopPropagation();
           toggleTrackMute(vTrack.id);
+          if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(vTrack.id, { muted: !vTrack.muted });
         },
         className: `px-1.5 py-0.5 text-xs rounded font-mono font-bold border ${vTrack.muted ? 'bg-red-950 text-red-400 border-red-700' : 'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`
       }, "M"), /*#__PURE__*/React.createElement("button", {
         onClick: e => {
           e.stopPropagation();
           toggleTrackSoloEvaluate(vTrack.id);
+          if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(vTrack.id, { solo: !vTrack.solo });
         },
         className: `px-1.5 py-0.5 text-xs rounded font-mono font-bold border ${vTrack.solo ? 'bg-amber-950 text-amber-400 border-amber-600' : 'bg-zinc-800 text-zinc-400 border-transparent hover:text-zinc-200'}`
       }, "S"))), /*#__PURE__*/React.createElement("div", {